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Re: Aorus Master Corrupt Main BIOS Reflash?

Originally Posted by Yemble

Whilst attempting a BIOS flash on my Aorus Master, from F10a to F10b using @BIOS, I got a Win10 GSOD ! Yes I know, flashing a BIOS from Windows is risky, however, I have never had any issue with this method before. Now my primary BIOS is corrupt and will not boot... lesson learnt.

So my issue now is that I cannot see how to re-flash my primary BIOS, when booted from the backup BIOS.

The documented method of flashing from backup, using QFLASH, with the mobo BIOS switch set to primary does not seem to work. It flashes the backup BIOS instead, which is now also on F10a instead of F7... this is extremely dodgy! Is there a trick to get this primary flash working correctly, or an alternative method for achieving the same goal?

Re: Aorus Master Corrupt Main BIOS Reflash?

Originally Posted by Yemble

Whilst attempting a BIOS flash on my Aorus Master, from F10a to F10b using @BIOS, I got a Win10 GSOD ! Yes I know, flashing a BIOS from Windows is risky, however, I have never had any issue with this method before. Now my primary BIOS is corrupt and will not boot... lesson learnt.

So my issue now is that I cannot see how to re-flash my primary BIOS, when booted from the backup BIOS.

The documented method of flashing from backup, using QFLASH, with the mobo BIOS switch set to primary does not seem to work. It flashes the backup BIOS instead, which is now also on F10a instead of F7... this is extremely dodgy! Is there a trick to get this primary flash working correctly, or an alternative method for achieving the same goal?

Or is my primary BIOS now permanently stuffed?

Curious: what happens if you create a USB boot disk as per Kedarwolf's instructions on the Gigabyte Z390 overclock.net thread, with Rufus, put EFIflash on there (Grab it from one of his modded bioses, any one), put the bios you want to flash on there, power off, set the bios to "single bios mode", boot to the drive by setting that drive as the primary boot device (not UEFI, but the non UEFI drive), and then, in command prompt, then switch the other bios switch to the "backup bios" position?

Can you then reflash the corrupt bios with EFIflash bios.rom (whatever it's called) /X ?
Make sure you rename the bios to the standard MS DOS format of 8+3 letter extension. So something like f10b.f10 will work

Re: Aorus Master Corrupt Main BIOS Reflash?

Originally Posted by Falkentyne

Curious: what happens if you create a USB boot disk as per Kedarwolf's instructions on the Gigabyte Z390 overclock.net thread, with Rufus, put EFIflash on there (Grab it from one of his modded bioses, any one), put the bios you want to flash on there, power off, set the bios to "single bios mode", boot to the drive by setting that drive as the primary boot device (not UEFI, but the non UEFI drive), and then, in command prompt, then switch the other bios switch to the "backup bios" position?

Can you then reflash the corrupt bios with EFIflash bios.rom (whatever it's called) /X ?
Make sure you rename the bios to the standard MS DOS format of 8+3 letter extension. So something like f10b.f10 will work

Luckily, although I had not realised, the Aorus Master has a removable master BIOS chip, whereas the backup BIOS is soldered onto the mobo. So a quick trawl of eBay uncovered a seller of pre-flashed BIOS chips for a range of mobos, where you can specify the BIOS version required. Hopefully this £10 get out of jail option will fix the issue. Had I corrupted the backup BIOS, then I would be stuffed!

However, this painful exercise has revealed to me that the dual-BIOS feature of the Aorus Master is simply not fit for purpose. If it cannot fulfil the purpose for which it is designed, then what is the point of it?

All of the official documentation from Gigabyte is simply incorrect and misleading, especially with regard to the fact that the booted BIOS is the one that gets flashed, regardless of the position of the mobo switch. This is somewhat dangerous if you are not aware and are following the "official" recovery process.

Why have Gigabyte not done anything about this? They MUST be aware of it and they are already into the tenth generation of BIOS versions for this mobo.

Re: Aorus Master Corrupt Main BIOS Reflash?

Originally Posted by Yemble

Luckily, although I had not realised, the Aorus Master has a removable master BIOS chip, whereas the backup BIOS is soldered onto the mobo. So a quick trawl of eBay uncovered a seller of pre-flashed BIOS chips for a range of mobos, where you can specify the BIOS version required. Hopefully this £10 get out of jail option will fix the issue. Had I corrupted the backup BIOS, then I would be stuffed!

However, this painful exercise has revealed to me that the dual-BIOS feature of the Aorus Master is simply not fit for purpose. If it cannot fulfil the purpose for which it is designed, then what is the point of it?

All of the official documentation from Gigabyte is simply incorrect and misleading, especially with regard to the fact that the booted BIOS is the one that gets flashed, regardless of the position of the mobo switch. This is somewhat dangerous if you are not aware and are following the "official" recovery process.

Why have Gigabyte not done anything about this? They MUST be aware of it and they are already into the tenth generation of BIOS versions for this mobo.

You can flash a corrupted Master backup bios with a $5 clip and some free software. And a second PC to flash it from.

Edit: And NEVER reboot a failed boot by holding the power button you can corrupt one or both BIOS's that way. Always power off from a failed boot by turning off the power switch ON THE POWER SUPPLY.